Dry ringworm in the clinical mainly refers to psoriasis, chronic eczema and keratinized fungal infection, in the treatment of anti-inflammatory, anti-allergic, immunomodulators and antifungal drug therapy. 1. Psoriasis: it is a chronic inflammatory skin disease, which is mainly manifested as erythema covered with scales in the clinic. In the treatment, glucocorticoid drugs (betamethasone cream, etc.), immunomodulators (tacrolimus ointment, etc.), vitamin D derivatives (caspofloxacin ointment, etc.), and retinoic acid drugs (tazarotene gel, etc.) are mainly given to the patients. 2. Chronic eczema: it is also a kind of inflammatory skin disease caused by many factors, which will be manifested as skin dryness, flaking and tinea-like changes in the skin, etc. In the treatment, glucocorticoid drugs (compound dexamethasone cream, etc.), calcium-modulated phosphatase inhibitors (tacrolimus ointment, etc.) can be given. 3. Keratinized fungal infection: mainly seen in tinea pedis, clinically it can be manifested as dryness, peeling, cracking, etc. In the treatment, you can give antifungal drugs (naftifine ketoconazole cream, miconazole nitrate cream, etc.) combined with salicylic acid ointment and other treatments. Due to different causes, different treatment programs, patients need to go to the hospital for a clear diagnosis, and must strictly comply with the doctor’s instructions to use medication.